Magic tree house

I can't belive there r only 2 talkies abt this!! Anyways this is a book series from Mary Pope Osborne,of Jack and Annie,2 siblings,Jack is 8 and Annie is 7,they live-in frog creek,Pennsylvania,and in the forest next to their house there is a tree house with MANY book,if uu open a book,put ur finger on a pic and wish to got there,u will end up there,ur their friendur 8,like Jack,this is book 1,with them DINOS